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test javalr does -2x now

This commit is contained in:
Terence Parr 2012-07-29 10:57:51 -07:00
parent 510c1c0dd9
commit 7181483bbf
1 changed files with 37 additions and 23 deletions
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48
tool/playground/TestJavaLR.java
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@ -38,6 +38,8 @@ import org.antlr.v4.runtime.atn.LexerATNSimulator;
import org.antlr.v4.runtime.atn.ParserATNSimulator;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
class TestJavaLR {
public static long lexerTime = 0;
@ -53,13 +55,11 @@ class TestJavaLR {
public static void main(String[] args) {
doAll(args);
// doAll(args);
}
public static void doAll(String[] args) {
List<String> inputFiles = new ArrayList<String>();
try {
lexerTime = 0;
long start = System.currentTimeMillis();
if (args.length > 0 ) {
// for each directory/file specified on the command line
for(int i=0; i< args.length;i++) {
@ -71,16 +71,37 @@ class TestJavaLR {
else if ( args[i].equals("-diag") ) diag = true;
else if ( args[i].equals("-2x") ) x2 = true;
else if ( args[i].equals("-threaded") ) threaded = true;
doFile(new File(args[i])); // parse it
if ( args[i].charAt(0)!='-' ) { // input file name
inputFiles.add(args[i]);
}
}
for (String fileName : inputFiles) {
doFile(new File(fileName)); // parse it
}
if ( x2 ) {
for (String fileName : inputFiles) {
doFile(new File(fileName)); // parse again!
}
}
}
else {
System.err.println("Usage: java Main <directory or file name>");
}
}
catch(Exception e) {
System.err.println("exception: "+e);
e.printStackTrace(System.err); // so we can get stack trace
}
System.gc();
}
long stop = System.currentTimeMillis();
public static void doFile(File f) throws Exception {
long parserStart = System.currentTimeMillis();
lexerTime = 0;
doFile_(f);
long parserStop = System.currentTimeMillis();
System.out.println("Lexer total time " + lexerTime + "ms.");
System.out.println("Total time " + (stop - start) + "ms.");
System.out.println("Total lexer+parser time " + (parserStop - parserStart) + "ms.");
System.out.println("finished parsing OK");
System.out.println(LexerATNSimulator.ATN_failover+" lexer failovers");
@ -91,23 +112,17 @@ class TestJavaLR {
System.out.println(ParserATNSimulator.retry_with_context_indicates_no_conflict +" retry sees no conflict");
System.out.println(ParserATNSimulator.retry_with_context_predicts_same_as_alt +" retry predicts same alt as resolving conflict");
System.out.println(ParserATNSimulator.retry_with_context_from_dfa +" retry from DFA");
}
catch(Exception e) {
System.err.println("exception: "+e);
e.printStackTrace(System.err); // so we can get stack trace
}
System.gc();
}
}
// This method decides what action to take based on the type of
// file we are looking at
public static void doFile(File f) throws Exception {
public static void doFile_(File f) throws Exception {
// If this is a directory, walk each file/dir in that directory
if (f.isDirectory()) {
String files[] = f.list();
for(int i=0; i < files.length; i++)
doFile(new File(f, files[i]));
doFile_(new File(f, files[i]));
}
// otherwise, if this is a java file, parse it!
@ -121,8 +136,7 @@ class TestJavaLR {
}
// Here's where we do the real work...
public static void parseFile(String f)
throws Exception {
public static void parseFile(String f) throws Exception {
try {
// Create a scanner that reads from the input stream passed to us
Lexer lexer = new JavaLRLexer(new ANTLRFileStream(f));